package chapter04.Example01;
// 定义Animal类
class Animal {
    public String name;
    private int age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}
//定义Dog类继承Animal类
class Dog extends Animal {
    //此处不写任何代码
}
// 定义测试类
public class Example01 {
    public static void main(String[] args) {
        Dog dog = new Dog();
        dog.setName("牧羊犬");
        dog.setAge(3);
        System.out.println("名称："+dog.getName()+",年龄："+dog.getAge());
    }
}
